Non-adherent superabsorbent wound dressing

A - Human Necessities – 61 – L

Patent

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Details

A61L 15/60 (2006.01) A61F 13/00 (2006.01) A61K 9/70 (2006.01) A61L 15/24 (2006.01) A61L 15/26 (2006.01) A61L 15/28 (2006.01) A61L 15/44 (2006.01) A61L 15/46 (2006.01) B32B 5/22 (2006.01) B32B 7/12 (2006.01) B32B 33/00 (2006.01) A61F 15/00 (2006.01)

Patent

CA 2297021

An improved wound dressing is provided according to the present invention. In a preferred embodiment, the dressing comprises an absorbent layer including one or more absorbent and/or superabsorbent materials; a porous, non-stick layer or film larger in size than said absorbent layer and overlying a wound-facing surface of the absorbent layer such that a portion of the non-stick layer extends beyond the length and width of the absorbent layer; a protective cover layer, which protective cover layer is larger in size than the absorbent layer but generally no greater in size than the non-stick layer, and a cohesive layer of an adhesive material generally being substantially the size and shape of the protective cover layer which is adhered to its non-wound-facing surface and having the absorbent layer and the extending portion of the non- stick layer adhered to its wound facing surface, whereby a substantially non-adherent dressing is provided.

La présente invention concerne un pansement amélioré. Dans un mode de réalisation préféré, le pansement comprend une couche absorbante comportant une ou plusieurs matières absorbantes et/ou superabsorbantes; une couche ou un film non adhésif poreux dont les dimensions sont plus grandes que celles de ladite couche absorbante, et qui recouvre une surface de la couche absorbante s'appliquant sur la plaie, de sorte qu'une partie de la couche non adhésive s'étend au-delà de la longueur et de la largeur de la couche absorbante; une couche de protection dont les dimensions sont plus grandes que la couche absorbante, mais ne sont généralement pas supérieures à celles de la couche non adhésive; et une couche cohésive constituée d'une matière adhésive, qui a généralement pratiquement les dimensions et la forme de la couche de protection collée sur la surface ne s'appliquant pas sur la plaie, et qui présente, collées sur la surface s'appliquant sur la plaie, la couche absorbante et la partie étendue de la couche non adhésive, ce qui permet d'obtenir un pansement sensiblement non adhérent.

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